return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Compare Angles

18 10 26 16 25

Click on entry for experimental details.
Species Name Experimental Angle Calculated Angle Difference
CH3CHClCH3 Propane, 2-chloro- 109.4 107.6 1.8
CH2ClCHCl2 1,1,2-trichloroethane 106.4 107.4 -1.0
CH2ClCHCl2 1,1,2-trichloroethane 107.9 109.3 -1.4
CF2CCl2 difluorodichloroethylene 120.5 120.9 -0.4
ClCOClCO Oxalyl chloride 111.7 107.6 4.1
CH2ClCHO chloroacetaldehyde 110.4 107.7 2.7
CH2ClCH2CH3 Propane, 1-chloro- 111.3 110.3 1.0
CH2ClCH2CH3 Propane, 1-chloro- 112.2 110.3 1.9
CH2ClCCCl 1,3-dichloropropyne 112.1 110.6 1.6
CH2ClCCCl 1,3-dichloropropyne 176.6 179.6 -3.0
C2H2ClF 1-chloro-1-fluoroethylene 126.3 122.2 4.1
C2Cl2 dichloroacetylene 180.0 180.0 0.0
C3H5Cl 1-chloro-1-propene(Z) 125.2 122.6 2.6
C3H5Cl 1-chloro-1-propene(E) 121.9 121.3 0.6

MP4/3-21G for aCCCl

Histogram of angle differences (in degrees) vs number of species


Differences greater than 8 are in the 8 bin. Differences less than -4 are in the -4 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-4 -3 -2 -1 0 1 2 3 4 5 6 7 8
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH2ClCCCl 1,3-dichloropropyne -3.0
Most positive difference ClCOClCO Oxalyl chloride 4.1